How do repunched mintmarks happen? Mint employees used to hand punch mintmarks until that practice was phased out between 1985 and 1991, ending over-mintmarks (OMM) along with repunched ones (RPMs) from modern coinage.
But there is keen interest in identifying these errors especially in Wheat Cents because there aren’t many.
In this article we feature two prominent RPMs you can find in pocket change and rolls–the 1943-D/D Repunched Mintmark (RPM FS-501) and 1956-D/D Repunched Mintmark. We also will give markers for one Wheat Cent OMM and a lesser RPM at the end of the article.
The 1943-D/D has a clear doubled mintmark. A second “D” is visible tilted next to the main strike, as below.
The value of this coin depends on its condition, ranging from $25 for a worn example and thousands for uncirculated ones.
1956-D/D overstrike also is clear, especially on uncirculated coins as below. This is highly coveted.
Once again, values depend on condition. Worn examples are anywhere from $15-25. Uncirculated ones can range in the hundreds if red and high mint state.
There is one lesser error: 1911-D/D Repunched Mintmark (RPM FS-501): A faint RPM featuring a serif of second “D” stamped northwest of the primary mintmark. You’ll need a loupe or microscope to see it.
These are worth anywhere from $25 to $150+ depending on how clear the remaining detail and mintmark are. Pristine examples can go in the hundreds and even thousands of dollars, but these are true rarities.
Then there is the 1951-D/S Over Mintmark (OMM FS-511): This error features a slight doubled mintmark as shown below by the main Denver “D.” You can see remnants of the “S” with a loupe or coin microscope.
The value of a 1951-D/S OMM ranges from $20 to $35 for lower-grade or raw uncirculated examples, while certified high-grade specimens can fetch anywhere from $200 to over $500.
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